摘要分析了数控技术和数控装备在装备制造业的地位，对CM6132精密车床的进给系统的进给进行数控化改造，进行了数控化改造的总体方案设计。通过确定基本系数、运动参数和动力参数，选择了滚珠丝杠和联轴器。改造后的机床成本低，提高了加工精度、具有可观的经济效益。关键词：CM6132数控化改造；滚珠丝杠；步进电机AbstractAnalysisofthenumericalcontroltechnologyandequipmentintheequipmentmanufacturingindustrystatus,theCM6132precisionlathefeedforfeedingsystemofNCtransformation,fortheNCtransformationoftheoverallschemedesign.By1determiningthebasicfactor,movementparametersanddynamicparameters,selectionoftheballscrewandcoupling.Afterthetransformationofthemachinetoolwithlowcost,highmachiningprecision,andhasconsiderableeconomicbenefit.KeyWords：CM6132NCtransformation;ballscrews;steppermotor目录摘要..............................................................................................................................I第1章绪论..............................................................................................................11.1选题的意义..................................................................................................11.2数控系统发展简史......................................................................................11.3国内数控状况分析......................................................................................21.4数控系统的发展趋势..................................................................................21.5普通机床进行数控化改造的必要性..........................................................3第２章总体方案的设计.........................................................................................42.1计算参数和技术要求................................................................................42.2总体方案的拟定..........................................................................................42.2.1进给电机伺服系统的改造设计.......................................................52.2.2联轴器...............................................................................................52.3尺寸参数......................................................................................................72.4运动参数......................................................................................................722.5动力参数......................................................................................................82.5.1计算电机功率...................................................................................82.5.2计算转速...........................................................................................9第3章进给系统的计算........................................................................................103.1横向进给传动链的设计计算....................................................................103.1.1计算主切削力.................................................................................103.1.2计算各切削分力.............................................................................103.2导轨摩擦力的计算....................................................................................113.2.1在切削状态下坐标导轨摩擦力的计算.........................................113.2.2在不切削状态下坐标轴导轨摩擦力的计算.................................123.3计算滚珠丝杠螺母副的轴向负载力...............................
